Birth Name: Rosario Aspillera Diaz
Date of Birth: August 14, 1959
Place of Birth: Manila, Philippines
Date of Death: October 4, 2004
Place of Death: Daly City, California, United States
Ethnicity: Filipino (Ilocano)
Rio Diaz was a Filipina beauty queen, television presenter, actress, and politician. She was the daughter of Jaime “Jimmy” B. Diaz and Teresa “Tita” Colorvon Aspillera. She was the sister of beauty queen Gloria Diaz. She was married to Carlos Roberto Santiago “Charlie” Oppen Cojuangco.
Rio’s maternal grandparents were ? Grivalde Aspillera (the son of Juan Aspillera and María Grivalde) and Pacita Colorvon.
Source: Genealogy of Rio Diaz – http://www.geni.com